Integrated security system is an organic and integrated system based on CCTV system, it’s built flexibly on the basis of different revenue and monitoring requirements of urban integrated information command platform system, integrated administration and command center system, CCTV system, invasion detection and alarming system, vehicle positioning and management system, patrol system, access control system and other subsystems. As extension and enhancement of personnel and physical protection approaches, this system is one of the main businesses of BDK. As the extended application of TV technology, BDK had started to design and develop complete set of CCTV system as early as some 30 years ago based on its technologies and experiences in radio and TV industry, which made it the pioneer of China’s security monitoring industry. BDK has been holding China’s highest qualification for design and integration of security systems as well as the industry’s highest qualifications for years, and it has become a renowned security engineering enterprise in Beijing.